AP Physics C 2017
Momentum and Impulse The units of momentum are kg·m/s, which is the same as N·s. Momentum is a vector ...
Once he hits the ground, the man quickly comes to rest. That is, his momentum changes from 540 kg·m/s to 0 ...
Momentum in an isolated system, where no net external forces act, is always conserved. A rough approximat ...
Motion of the Center of Mass The center of mass of a system of objects obeys Newton’s second law. Two com ...
If you’re unfamiliar with the concept of kinetic energy (KE), take a few minutes to skim Chapter 14 right now ...
We can’t do much more with the x -component of momentum, so now let’s look at the y -component. (Not ...
(D) It quadruples. (E) It doubles. 3 . Two balls, of mass m and 2m , collide and stick together. The combine ...
(b) What will be the speed of the skier and child just after they collide? (c) If the collision occurs ...
• Momentum is always conserved. When solving conservation of momentum problems, remember that mom ...
(^1) This chapter deals only with linear momentum. Angular momentum is covered in Chapter 16 . ...
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CHAPTER 13 Momentum 1 . Two spheres traveling in opposite directions collide head-on as shown. The grap ...
(B) The skateboard speeds up because the cat adds vertical momentum to the system. (C) The skateboa ...
(A) (B) (C) (D) (E) Answers 1 . A —The area (integral) of the force-time graph equals the impulse, and the impu ...
3 . B —Impulse equals the change in momentum. Because the mass of the cue ball remains the same during the col ...
CHAPTER 14 Energy Conservation IN THIS CHAPTER Summary: While kinematics can be used to predict the speeds of obj ...
Relationship between a conservative force F and the potential energy U it creates: As with momentum, the ...
• The units of work and of energy are joules. • Work can be negative ... this just mean ...
Potential Energy Potential energy comes in many forms: there’s gravitational potential energy, spring potential ...
If we were to approach this problem using kinematics equations (which we could), it would take about ...
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